000
00257nam a22001217a 4500
082
_a
517
_b
FRO
100
_a
Frolkin, V.T
245
_a
Pulse circuits
250
_a
2nd Edition
260
_a
Moscow
_b
Mir publishers
_c
1986
300
_a
390 Pages
942
_c
L
999
_c
18412
_d
18412